Новости из категории: astronet

Simulation TNG50: A Galaxy Cluster Forms

Вт, Февраль 26, 2019 - 8:30

How do clusters of galaxies form? Since our universe moves too slowly to watch, faster-moving computer simulations are created to help find out. A recent effort is TNG50 from IllustrisTNG, an upgrade of the famous Illustris..

Журнал “Небосвод” за март 2019 года

Пн, Февраль 25, 2019 - 18:51

Очередной выпуск бесплатного электронно-печатного издания для любителей астрономии..

Red Sprite Lightning over Kununurra

Пн, Февраль 25, 2019 - 8:30

What are those red filaments in the sky? It is a rarely seen form of lightning confirmed only about 30 years ago: red sprites. Recent research has shown that following a powerful positive cloud-to-ground...

The Expanding Echoes of Supernova 1987A

Вс, Февраль 24, 2019 - 8:30

Can you find supernova 1987A? It isn't hard -- it occurred at the center of the expanding bullseye pattern. Although this stellar detonation was first seen in 1987, light from SN 1987A continued to bounce off clumps of interstellar..

The Stars of the Triangulum Galaxy

Сб, Февраль 23, 2019 - 8:30

Like grains of sand on a cosmic beach, stars of the Triangulum Galaxy are resolved in this sharp mosaic from the Hubble Space Telescope's Advanced Camera for Surveys (ACS). The inner region of the galaxy spanning over 17,000 light-years is..

NGC 4565: Galaxy on Edge

Пт, Февраль 22, 2019 - 8:30

Magnificent spiral galaxy NGC 4565 is viewed edge-on from planet Earth. Also known as the Needle Galaxy for its narrow profile, bright NGC 4565 is a stop on many telescopic tours of the northern sky, in the faint but well-groomed

Астрономическая неделя с 25 февраля по 3 марта 2019 года

Пт, Февраль 22, 2019 - 7:15

На данной неделе 25 февраля долгопериодическая переменная звезда U Лебедя достигнет максимума блеска (6m), а 26 февраля Меркурий пройдет..

Конференция в честь 150-летия таблицы Менделеева

Чт, Февраль 21, 2019 - 11:21

Международный симпозиум "The Periodic Table Through Space and Time" в рамках XXI юбилейного Менделеевского конгресса по общей и прикладной химии

Reflections on vdB 9

Чт, Февраль 21, 2019 - 8:30

Centered in a well-composed celestial still life, pretty, blue vdB 9 is the 9th object in Sidney van den Bergh's 1966 catalog of reflection nebulae. It shares this telescopic field of view, about...

Календарь наблюдателя на март 2019 года

Ср, Февраль 20, 2019 - 15:09

Очередной выпуск ежемесячника, освещающего астрономические явления и небесные тела,..

Doomed Star Eta Carinae

Ср, Февраль 20, 2019 - 8:30

Eta Carinae may be about to explode. But no one knows when - it may be next year, it may be one million years from now. Eta Carinae's mass - about 100 times greater than our Sun - makes it an excellent candidate for a full blown..

Comet Iwamoto Before Spiral Galaxy NGC 2903

Вт, Февраль 19, 2019 - 8:30

It isn't every night that a comet passes a galaxy. Last Thursday, though, binocular comet C/2018 Y1 (Iwamoto) moved nearly in front of a spiral galaxy of approximately the same brightness: NGC 2903. Comet Iwamoto was discovered late last..